Home / 211,013,058.30-316,519,587.45-130,391,490.30

Finding the Fourth Proportional to 211,013,058.30, 316,519,587.45 and 130,391,490.30

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Solution

The fourth proportional to 211,013,058.30, 316,519,587.45 and 130,391,490.30 is: 195,587,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,013,058.30 : 316,519,587.45 = 130,391,490.30 : x
  2. Step 2: Convert to fraction form
    211,013,058.30/316,519,587.45 = 130,391,490.30/x
  3. Step 3: Cross multiply
    211,013,058.30x = 316,519,587.45 × 130,391,490.30
  4. Step 4: Simplify right side
    211,013,058.30x = 41,271,460,716,746,672
  5. Step 5: Solve for x
    x = 41,271,460,716,746,672/211,013,058.30
  6. Step 6: Final answer
    x = 195,587,235.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.